/* =========================================================
   TTWORBYTES MASTER FOOTER
   ========================================================= */

:root {
    --footer-background:
        rgba(35, 48, 78, 0.95);

    --footer-background-deep:
        rgba(27, 38, 65, 0.98);

    --footer-border:
        rgba(255, 255, 255, 0.11);

    --footer-gold:
        #d6a94a;

    --footer-text:
        rgba(255, 255, 255, 0.9);

    --footer-muted:
        rgba(255, 255, 255, 0.66);

    --footer-width:
        1200px;

    --footer-transition:
        220ms ease;
}

/* =========================================================
   FOOTER SHELL
   ========================================================= */

.master-footer {
    position: relative;

    margin-top: clamp(80px, 10vw, 140px);

    color: var(--footer-text);

    background:
        linear-gradient(
            180deg,
            var(--footer-background),
            var(--footer-background-deep)
        );

    border-top:
        1px solid rgba(214, 169, 74, 0.22);

    box-shadow:
        0 -18px 50px rgba(0, 0, 0, 0.2);

    -webkit-backdrop-filter: blur(18px);
    backdrop-filter: blur(18px);
}

.master-footer::before {
    position: absolute;
    top: 0;
    right: 0;
    left: 0;

    height: 1px;

    content: "";

    background:
        linear-gradient(
            90deg,
            transparent,
            rgba(214, 169, 74, 0.65),
            transparent
        );
}

.master-footer__inner {
    width: min(
        calc(100% - 48px),
        var(--footer-width)
    );

    margin-inline: auto;
    padding-block:
        clamp(56px, 7vw, 82px)
        28px;
}

/* =========================================================
   MAIN FOOTER CONTENT
   ========================================================= */

.master-footer__top {
    display: grid;

    grid-template-columns:
        minmax(250px, 1.45fr)
        repeat(3, minmax(140px, 0.75fr));

    gap:
        clamp(36px, 5vw, 72px);
}

/* =========================================================
   BRAND
   ========================================================= */

.master-footer__brand {
    max-width: 330px;
}

.master-footer__brand-link {
    display: inline-flex;
    align-items: center;
    gap: 14px;

    color: #ffffff;
    text-decoration: none;

    transition:
        transform var(--footer-transition),
        opacity var(--footer-transition);
}

.master-footer__brand-link:hover {
    transform: translateY(-2px);
}

.master-footer__brand-link:focus-visible {
    outline: 2px solid var(--footer-gold);
    outline-offset: 6px;
    border-radius: 8px;
}

.master-footer__logo {
    display: block;

    width: 104px;
    height: 104px;

    object-fit: contain;
}

.master-footer__name {
    font-size: 1.12rem;
    font-weight: 750;
    line-height: 1;
    letter-spacing: 0.12em;
}

.master-footer__tagline {
    margin:
        25px
        0
        14px;

    color: #ffffff;

    font-size: clamp(1.25rem, 2vw, 1.55rem);
    font-weight: 650;
    line-height: 1.35;
}

.master-footer__description {
    max-width: 30ch;
    margin: 0;

    color: var(--footer-muted);

    font-size: 0.96rem;
    line-height: 1.7;
}

/* =========================================================
   LINK GROUPS
   ========================================================= */

.master-footer__heading {
    margin:
        5px
        0
        21px;

    color: var(--footer-gold);

    font-size: 0.84rem;
    font-weight: 750;
    line-height: 1;
    letter-spacing: 0.13em;
    text-transform: uppercase;
}

.master-footer__links {
    display: grid;
    gap: 13px;

    margin: 0;
    padding: 0;

    list-style: none;
}

.master-footer__links a {
    position: relative;

    display: inline-block;

    color: var(--footer-muted);

    font-size: 0.95rem;
    line-height: 1.4;
    text-decoration: none;

    transition:
        color var(--footer-transition),
        transform var(--footer-transition);
}

.master-footer__links a::after {
    position: absolute;
    right: 0;
    bottom: -4px;
    left: 0;

    height: 1px;

    content: "";

    background: var(--footer-gold);

    transform: scaleX(0);
    transform-origin: left;

    transition:
        transform var(--footer-transition);
}

.master-footer__links a:hover {
    color: #ffffff;
    transform: translateX(3px);
}

.master-footer__links a:hover::after {
    transform: scaleX(1);
}

.master-footer__links a:focus-visible {
    color: var(--footer-gold);

    outline: 2px solid var(--footer-gold);
    outline-offset: 5px;
    border-radius: 3px;
}

/* =========================================================
   DIVIDER
   ========================================================= */

.master-footer__divider {
    height: 1px;

    margin-block:
        clamp(48px, 6vw, 70px)
        26px;

    background:
        linear-gradient(
            90deg,
            rgba(255, 255, 255, 0),
            rgba(255, 255, 255, 0.13),
            rgba(255, 255, 255, 0)
        );
}

/* =========================================================
   LOWER FOOTER
   ========================================================= */

.master-footer__bottom {
    display: grid;
    grid-template-columns:
        minmax(190px, 1fr)
        auto
        minmax(190px, 1fr);

    align-items: center;
    gap: 28px;
}

.master-footer__copyright,
.master-footer__credit {
    margin: 0;

    color: var(--footer-muted);

    font-size: 0.85rem;
    line-height: 1.5;
}

.master-footer__credit {
    text-align: center;
}

.master-footer__top-button {
    display: inline-flex;
    justify-self: end;
    align-items: center;
    gap: 9px;

    min-height: 43px;
    padding:
        9px
        17px;

    cursor: pointer;

    color: var(--footer-gold);

    font: inherit;
    font-size: 0.86rem;
    font-weight: 700;

    background:
        rgba(214, 169, 74, 0.04);

    border:
        1px solid rgba(214, 169, 74, 0.5);

    border-radius: 999px;

    transition:
        color var(--footer-transition),
        background-color var(--footer-transition),
        border-color var(--footer-transition),
        transform var(--footer-transition),
        box-shadow var(--footer-transition);
}

.master-footer__top-button span {
    font-size: 1.05rem;
    line-height: 1;
}

.master-footer__top-button:hover {
    color: #11192e;

    background:
        var(--footer-gold);

    border-color:
        var(--footer-gold);

    box-shadow:
        0 8px 24px rgba(214, 169, 74, 0.19);

    transform: translateY(-2px);
}

.master-footer__top-button:focus-visible {
    outline: 2px solid var(--footer-gold);
    outline-offset: 4px;
}

/* =========================================================
   TABLET
   ========================================================= */

@media (max-width: 900px) {
    .master-footer__top {
        grid-template-columns:
            minmax(240px, 1.25fr)
            repeat(2, minmax(150px, 0.75fr));
    }

    .master-footer__brand {
        grid-row: span 2;
    }

    .master-footer__bottom {
        grid-template-columns:
            1fr
            auto;
    }

    .master-footer__credit {
        grid-column: 1 / -1;
        grid-row: 2;

        text-align: left;
    }
}

/* =========================================================
   MOBILE
   ========================================================= */

@media (max-width: 640px) {
    .master-footer {
        margin-top: 75px;
    }

    .master-footer__inner {
        width: calc(100% - 32px);

        padding-block:
            48px
            24px;
    }

    .master-footer__top {
        grid-template-columns:
            repeat(2, minmax(0, 1fr));

        gap:
            40px
            26px;
    }

    .master-footer__brand {
        grid-column: 1 / -1;
        grid-row: auto;

        max-width: none;
    }

    .master-footer__description {
        max-width: 38ch;
    }

    .master-footer__bottom {
        grid-template-columns: 1fr;
        gap: 15px;
    }

    .master-footer__copyright,
    .master-footer__credit {
        grid-column: auto;
        grid-row: auto;

        text-align: left;
    }

    .master-footer__top-button {
        justify-self: start;

        margin-top: 10px;
    }
}

@media (max-width: 420px) {
    .master-footer__top {
        grid-template-columns: 1fr;
        gap: 34px;
    }

    .master-footer__brand {
        grid-column: auto;
    }

    .master-footer__logo {
        width: 50px;
        height: 50px;
    }

    .master-footer__name {
        font-size: 1rem;
    }

    .master-footer__heading {
        margin-bottom: 16px;
    }
}

/* =========================================================
   REDUCED MOTION
   ========================================================= */

@media (prefers-reduced-motion: reduce) {
    .master-footer__brand-link,
    .master-footer__links a,
    .master-footer__links a::after,
    .master-footer__top-button {
        transition: none;
    }
}